Punch and bind documents all in one place. The GBC CB12 CombBind Punch and Bind Machine makes it easy to add a professional finish to your documents. It uses sleek comb binding spines, which allow pages to lay flat for easy reading. Great for small offices or personal use. This all-in-one punch and bind machine has a manual, easy-pull handle and punches up to 12 sheets at a time. It also binds up to 150 sheets when using a 3/4" spine. For best results, use GBC CombBind spines, sold separately. This machine is compatible with 1/4" - 3/4" diameter spines and adjusts to accommodate documents up to 12". It has a lightweight, compact design, a clip tray and a built-in storage compartment. GBC stands behind its quality with a limited 1-year warranty.